that has tossed a country into chaos. team fox coverage continues now. jonathan hunt at the u.n. jonathan, this looks like the beginning of an end game to many. >> yeah. it certainly does. the rebels have clearly taken the decision within the past week that they cannot bring about the downfall of the assad regime without taking the battle directly to the capital damascus. they do not, however, yet have the fire power to win in one big final assault. so this is likely to be a war of attrition within damascus itself and president assad has gathered his hot best trained troops around his strong holds within the capital so this may well go on for days. butng to a lot of experts, the pressure on president assad is growing day by day. and that is why there is the concern about the use of these chemical weapons because they say in many ways now, president assad is like a cornered rat. shep? >> shepard: jonathan, still so many questions about what happens after assad. >> yeah, and that's one of the problems here for the international community. we have heard again and again just how many factions